Did he ever talk about international draughts? It is essentially checkers on a 10 x 10 board, rather than the 8 x 8 that checkers is played on. I wonder how mu

Did he ever talk about international draughts? It is essentially checkers on a 10 x 10 board, rather than the 8 x 8 that checkers is played on. I wonder how much more resistance he would have had in draughts.